Antivirus software are computer programs that attempt to identify, neutralize or eliminate malicious software. The term "antivirus" is used because the earliest examples were designed exclusively to combat computer viruses; however most modern antivirus software is now designed to combat a wide range of threats, including worms, phishing attacks, rootkits, trojan horses and other malware. Antivirus software typically uses two different approaches to accomplish this:
* examining (scanning) files to look for known viruses matching definitions in a virus dictionary, and
* identifying suspicious behavior from any computer program which might indicate infection.

The second approach is called heuristic analysis. Such analysis may include data captures, port monitoring and other methods.
Most commercial antivirus software uses both of these approaches, with an emphasis on the virus dictionary approach.

Avast! Home Edition 4.8.1335

avast! antivirus Home Edition represents the best free antivirus protection currently available on the market. This edition is FREE OF CHARGE for non-commercial & home use. Its features include:

  • Anti-spyware built-in
  • Web Shield
  • Anti-rootkit built-in
  • Automatic updates
  • Strong self-protection
  • Virus Chest
  • Antivirus kernel
  • System integration
  • Simple User Interface
  • Integrated Virus Cleaner
  • Resident protection
  • Support for 64-bit Windows
  • P2P and IM Shields
  • Internationalization
  • Network Shield

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